From syncpack 11.2.1 and up, a JSON Schema file is available.
{ "$schema": "./node_modules/syncpack/dist/schema.json", "versionGroups": [ { "dependencies": ["@types/node"], "packages": ["**"], "pinVersion": "14.18.36" }, { "dependencies": ["chalk"], "packages": ["**"], "pinVersion": "4.1.2" } ]}